WD
William Douglas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this William Douglas across the 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 11-person household.
Age 30
b. ~1900
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Douglas |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Crane Runner |
| Industry | Iron Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Crane Runner |
| Township / Ward | Conshohocken Borough |
| Est. Birth Year | ~1900 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Sarah Douglas | Daughter | — | 20 | ~1910 |
| Mary Douglas | Daughter | — | 12 | ~1918 |
| Margaret Douglas | Daughter | — | 9 | ~1921 |
| Ruth Douglas | Daughter | — | 15 | ~1915 |
| John Douglas | Head | — | 52 | ~1878 |
| Esther Warburton | Other | — | 46 | ~1884 |
| Leroy Douglas | Son | — | 26 | ~1904 |
| Thomas Douglas | Son | — | 23 | ~1907 |
| William Douglas | Son | — | 30 | ~1900 |
| Harry Douglas | Son | — | 18 | ~1912 |
| Joseph Douglas | Son | — | 32 | ~1898 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 20
Montgomery, Pennsylvania · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Wire Works |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Son, age 30
Montgomery, Pennsylvania · implied b. ~1900 — 11 household members
| Surname | Douglas |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Crane Runner |
| Industry | Iron Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Douglas across 2 US Census years (1920 and 1930) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Douglas
Son · 1930 · age 30 · b. ~1900 · Pennsylvania
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Sibling
Harry Douglas
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Douglas
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Douglas
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Douglas
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Douglas
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Douglas
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Douglas
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Douglas
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2081:0772)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John W. Harley | 46 | Head | Foreman | Pennsylvania |
| 52 | Lettia E. Harley | 47 | Wife-H | — | Pennsylvania |
| 53 | Warren A. Harley | 18 | Son | — | Pennsylvania |
| 54 | Joseph B. Stephens | 68 | Head | Agent | Ohio |
| 55 | Bessie Underhill | 44 | Daughter | Stenographer | Pennsylvania |
| 56 | Edna M. Stephens | 40 | Daughter | Glass Blower | Pennsylvania |
| 57 | Charles A. Izoch | 44 | Boarder | Upholsterer | New Jersey |
| 58 | John S. Douglas | 52 | Head | — | Pennsylvania |
| 59 | Joseph W. Douglas | 32 | Son | Crane Runner | Pennsylvania |
| 60 | William H. Douglas THIS PERSON | 30 | Son | Crane Runner | Pennsylvania |
| 61 | Leroy J. Douglas | 26 | Son | Crane Runner | Pennsylvania |
| 62 | Thomas B. Douglas | 23 | Son | Operator | Pennsylvania |
| 63 | Sarah R. Douglas | 20 | Daughter | Stenographer | Pennsylvania |
| 64 | Harry P. Douglas | 18 | Son | Bottle Maker | Pennsylvania |
| 65 | Ruth O. Douglas | 15 | Daughter | — | Pennsylvania |
| 66 | Mary E. Douglas | 12 | Daughter | — | Pennsylvania |
| 67 | Margaret J. Douglas | 9 | Daughter | — | Pennsylvania |
| 68 | Esther Warburton | 46 | Sister | Servant | Pennsylvania |
| 69 | Bridget Mcgrath | 60 | Head | — | Irish Free State |
| 70 | Mary J. Mcgrath | 32 | Daughter | Operator | Pennsylvania |
| 71 | Delores Mcgrath | 22 | Daughter | Typist | Pennsylvania |
| 72 | Charles E. Mcgrath | 25 | Son | Helper | Pennsylvania |
| 73 | Harry M. Mcgrath | 20 | Son | Welder | Pennsylvania |
| 74 | Howard W. Jones | 55 | Head | Plumber | Pennsylvania |
| 75 | Elizabeth M. Jones | 46 | Wife-H | — | Pennsylvania |
| 76 | Donald A. Jones | 21 | Son | — | Pennsylvania |
| 77 | Grace E. Jones | 17 | Daughter | Stenographer | Pennsylvania |
| 78 | Samuel J. Martin | 69 | Boarder | Carpenter | Pennsylvania |
| 79 | William M. Pierson | 57 | Head | Millwright | Pennsylvania |
| 80 | Emma Pierson | 51 | Wife-H | — | Pennsylvania |
| 81 | William C. Pierson | 28 | Son | Superintendent | Pennsylvania |
| 82 | Sarah E. Pierson | 22 | Daughter | Stenographer | Pennsylvania |
| 83 | M. Ruth Pierson | 17 | Daughter | Stenographer | Pennsylvania |
| 84 | John Pearson | 83 | Brother | — | England |
| 85 | Richard J. Pearson | 63 | Head | Machinist | Pennsylvania |
| 86 | Mary E. Pearson | 58 | Wife-H | — | Pennsylvania |
| 87 | Elsie S. Pearson | 38 | Daughter | Glass Worker | Pennsylvania |
| 88 | James J. Corney | 61 | Head | Janitor | Pennsylvania |
| 89 | Mary B. Corney | 58 | Wife-H | — | Pennsylvania |
| 90 | Edward Bonnard | 40 | Boarder | Crane Runner | Pennsylvania |
| 91 | Ruben H. Dunn | 55 | Head | Straightener | Pennsylvania |
| 92 | Sophia Dunn | 54 | Wife-H | — | Pennsylvania |
| 93 | Isabel C. Dunn | 19 | Daughter | — | Pennsylvania |
| 94 | Harry H. Pope | 71 | Head | Police, Ind. | Pennsylvania |
| 95 | Elda M. Pope | 60 | Wife-H | — | Pennsylvania |
| 96 | Llewellyn Jones | 69 | Head | — | Wales |
| 97 | Mary E. Jones | 69 | Wife-H | — | Pennsylvania |
| 98 | Llewellyn E. Jones | 19 | Son | — | Pennsylvania |
| 99 | William J. Walters | 49 | Head | Foreman | Pennsylvania |
| 100 | Maud C. Walters | 44 | Wife-H | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)